OpenTechnical

OT-2026-000052277

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052277) never changes.

Identity and time

Publication numberOT-2026-000052277 · never reused
Internal UUID01a0ae83-e791-77d8-a11c-0da9e44516fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052277
StatusPUBLIC

Content hashes

Canonical textde9ad930bca09e894f7db25b30ea213e19c4d2212fec88393088654882d017be
Markdown6c0a71a95038d185edd2c97de85458254f22798c7ce40dfa2147aa0b302aab23
PDF
Publication pagee56f4286d6373f2a3ff5d0d6488d24e1fde19f2df7d32da23d53694766130899
Manifestf88fc7ae19613f66d274b34b837526f298c672fc3acdbbddcce615a9f5088b38

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureDgX0Uf0j8ErRtIK2mBjG8F/QGWV1YZ7wTrtwQvhpJ0fhjGhdlTYNwFnyv2DDpqYP09YP1qOQCbHHapdd2qrBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:52.022664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052277
observed e56f4286d6373f2a3ff5d0d6488d24e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.003840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052277/manifest.json
observed f88fc7ae19613f66d274b34b837526f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.985922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052277/publication.md
observed 6c0a71a95038d185edd2c97de8545825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.967487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052277/publication.txt
observed de9ad930bca09e894f7db25b30ea213e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.